function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. Dr.', 2],
    ['Allen, Gerald R. Dr. & Randall, John Ernest Dr.', 2],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 4],
    ['Fowler, Henry Weed', 4],
    ['Fowler, Henry Weed & Bean, Barton A.', 3],
    ['Hardy, Graham S.', 3],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 2],
    ['Hubbs, Carl L.', 4],
    ['Inger, R. F.', 2],
    ['Kullander, Sven O.', 7],
    ['Meek, S. E.', 8],
    ['Mooi, Randall D. & Gill, Anthony C.', 5],
    ['Randall D. Mooi & Anthony C. Gill', 6],
    ['Rüppell, Wilhem Peter Eduard Simon', 3],
    ['Whitley, Gilbert P.', 4],
    ['Other (35)', 42]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=101)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);